Breadcrumb Home Music - Applied MUA 120 MUA 120: Keyboard Studio Download as PDF Class Program Music - Applied A weekly studio master class required of all piano and organ majors and minors. Corequisites Requires concurrent enrollment in MUA 121, 122, 221, 222, 321, 322, 421, or 422 or MUA 125, 126, 225, 226, 325, 326, 425, 426.